Currently, the types of blowers on the market are generally divided into roots blower, multi-stage centrifugal blower, air suspension blower and magnetic suspension blower. These blowers have their own characteristics, but with the progress and application of technology, the effect of magnetic levitation blower in technology, energy saving effect and social benefit has become more and more remarkable.

Next, the technology comparison of magnetic suspension centrifugal blower with gear speed increasing and air suspension blower is introduced.

Gear booster blower

-General Motors (50Hz) and gears increase the speed of the impeller.

-Use the inlet guid vane (IGV) or the diffuser vane to adjust the flow.

-Oil bearing (tilting pad) and cooling system were used.

Multistage centrifugal blower

-The compression efficiency is about 65-75%, which is generally used in the site with large flow.

With the exhaust pressure, the power also changes (compression stage).

-The compression efficiency is reduced because the multi-stage compression method is used for compression

。

Magnetic bearing blower

-Turbine machinery design technology.

-High speed permanent magnet synchronous motor and impeller are coupled to drive.

-No loss, short after-sales maintenance period and low cost.

-Active control of magnetic bearing, high overall efficiency.

-ABS HST, Hoffman, Atlas Copco (zb-vsd), piller, Tianjin Yisheng, etc.

Air suspension blower

-The intelligent DC speed control system changes the shaft speed and the air volume.

-The flow pressure can be adjusted greatly and the rotation speed can be controlled.

-The air cleanliness is extremely high and it is not easy to maintain.

-High efficiency, technology from South Korea.

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